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Senior Data Annotation Analyst Jobs in Elmhurst, IL

YO AI Labs

AI Data Science Expert - Remote

Chicago, IL · Remote

$100 - $200/hr

Analytical Reasoning * Prompt Engineering * AI Output Evaluation * Quality Assurance * Technical Documentation * Technical & Report Writing * Content Review & Editing * Data Annotation * Data ...

Stellar IT Group

Senior Data Analyst

Chicago, IL · On-site

$88K - $111K/yr

Senior Data Analyst Location: Chicago, IL (some travel to McLean, VA maybe required) Duration: 7+ months Role Overview We are seeking experienced Senior Data Analysts to support advanced data ...

YO AI Labs

AI Data Scientist Expert - Remote

Chicago, IL · Remote

$100 - $200/hr

Analytical Reasoning * Prompt Engineering * AI Output Evaluation * Quality Assurance * Technical Documentation * Technical & Report Writing * Content Review & Editing * Data Annotation * Data ...

The LaSalle Group

Senior Data & Reporting Analyst

Chicago, IL · On-site

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

Senior Data & Reporting Analyst Ready to turn data into business decisions? LaSalle Network is partnering with an industry-leading client to hire a Senior Data & Reporting Analyst who thrives in a ...

blueStone

Sr. Data Analyst

Chicago, IL · Remote

$88K - $111K/yr

The Sr. Data Warehouse /Business Analyst will serve as a leader for Business Intelligence and work with vendors to implement BI solutions to meet their needs. This role is functional and technical ...

Primo Brands

Sr. Data Analyst

Northbrook, IL · Hybrid

$142K - $152K/yr

Responsibilities BlueTriton Brands, Inc. dba Primo Brands seeks Senior Data Analyst [multiple positions] in Northbrook, IL Duties: Support the ReadyRefresh business by unlocking technology stack and ...

Purple Carrot

Senior Data Analyst

Chicago, IL · On-site

$95K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Description We are looking for a Senior Data Analyst to join our mission-driven team. As an integral part of the Data department, you will join forces with the Sr. Manager, Data and Analytics (to ...

Abbott

Senior Data Analytics Analyst

Des Plaines, IL · On-site

$83K - $105K/yr

  • Medical

  • Retirement

... Analyst leverages data and analytical tools to support senior leadership by extracting valuable insights and making data-driven decisions for an organization. This role specializes in business ...

Chicago Public Schools

Senior Data Analyst

Chicago, IL · On-site

$76K - $100K/yr

The Senior Data Analyst plays a crucial role in supporting data-driven decision-making at Chicago Public Schools (CPS) by transforming raw data into actionable insights. Reporting to the Manager ...

Chicago Public Schools

Senior Data Analyst

Chicago, IL · On-site

$88K - $111K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Senior Data Analyst plays a crucial role in supporting data-driven decision-making at Chicago Public Schools (CPS) by transforming raw data into actionable insights. Reporting to the Manager ...

Wonder Group, Inc.

Senior Data Analyst

Chicago, IL · On-site

$149K - $157K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Reporting to the Director of Finance Data & Systems, the Senior Data Analyst will be the backbone energizing the elevation of management financial reporting, accounting month-end close, and audit ...

Wonder Group, INC

Senior Data Analyst

Chicago, IL

$149K - $157K/yr

Reporting to the Director of Finance Data & Systems, the Senior Data Analyst will be the backbone energizing the elevation of management financial reporting, accounting month-end close, and audit ...

YO AI Labs

AI Finance Expert - Remote

Chicago, IL · Remote

$100 - $200/hr

Financial Analysis * Technical & Report Writing * Business Communication * Content Review & Editing * Fact Checking * Data Interpretation * Data Annotation * Problem-Solving * Independent Research

Wonder Group LLC

Senior Data Analyst

Chicago, IL · On-site

$149K - $157K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

About The Opportunity We are seeking a highly analytical and collaborative Senior Data Analyst to join our team. In this role, you will support the accounting and finance data needs across all Wonder ...

Primo Brands

Sr. Data Analyst

Northbrook, IL · On-site

$142K - $152K/yr

Responsibilities BlueTriton Brands, Inc. dba Primo Brands seeks Senior Data Analyst [multiple positions] in Northbrook, IL Duties: Support the ReadyRefresh business by unlocking technology stack and ...

Arrive Logistics

Data Scientist II

Chicago, IL · On-site +1

$130K - $150K/yr

... annotation guidelines and ensuring label quality. * Evaluate and apply the appropriate approach for ... Perform structured analysis of system performance to surface failure modes, data gaps, and high ...

Arrive Logistics

Data Scientist II

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... annotation guidelines and ensuring label quality. * Evaluate and apply the appropriate approach for ... Perform structured analysis of system performance to surface failure modes, data gaps, and high ...

World's Finest Chocolate

Senior Data Analyst

Chicago, IL

$110K - $130K/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

World's Finest Chocolate is seeking a highly skilled and motivated Senior Data Analyst to join our team. This role will be instrumental in analyzing large volumes of unstructured data, primarily ...

Tempus

Senior Data Analyst

Chicago, IL · On-site +1

$90K - $125K/yr

We're looking for an experienced Senior Data Analyst to help us design and execute on clinical evidence studies with the mission of delivering personalized care to cancer patients. What you'll do:

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All JobsData Annotation Analyst JobsSenior Data Annotation Analyst JobsSenior Data Annotation Analyst Jobs in Elmhurst, IL

Senior Data Annotation Analyst information

See Elmhurst, IL salary details

$54.8K

$98.8K

$135K

How much do senior data annotation analyst jobs pay per year?

As of Aug 18, 2026, the average yearly pay for senior data annotation analyst in Elmhurst, IL is $98,832.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,700.00 and $108,100.00 per year, depending on experience, location, and employer.

What is a senior data annotation analyst?

Senior Data Annotation Analysts are experienced professionals who oversee the process of labeling and tagging data, such as text, images, or audio, to train machine learning models. They are responsible for ensuring high-quality annotations, developing guidelines, and often mentoring junior annotators. Their work is crucial for the success of AI and machine learning projects, as accurate data annotation directly impacts model performance. Senior analysts also collaborate with data scientists and engineers to refine annotation processes and improve data quality.

What are the key skills and qualifications needed to thrive as a senior data annotation analyst?

To thrive as a Senior Data Annotation Analyst, you need expertise in data labeling, analytical thinking, and a strong understanding of machine learning concepts, often supported by a relevant degree or significant experience in data operations. Familiarity with annotation platforms (like Labelbox or Supervisely), data management tools, and quality assurance processes is typically required. Attention to detail, problem-solving, and the ability to communicate feedback effectively are crucial soft skills for this role. These competencies ensure high-quality data sets that drive accurate machine learning models and improve project outcomes.

How does a senior data annotation analyst typically collaborate with machine learning engineers and data scientists?

As a Senior Data Annotation Analyst, you will often work closely with machine learning engineers and data scientists to ensure that labeled data meets project requirements and quality standards. You may participate in meetings to discuss annotation guidelines, clarify ambiguous cases, and provide feedback on data challenges that arise. Your expertise in annotation tools and processes helps streamline workflows and ensures that the annotated datasets are reliable, which is critical for model training and evaluation. Collaboration is key, and you'll be expected to communicate effectively across teams to address issues and continuously improve the data pipeline.

What is the difference between Senior Data Annotation Analyst vs Data Annotation Specialist?

AspectSenior Data Annotation AnalystData Annotation Specialist
CredentialsBachelor's degree in related field, experience in data annotationHigh school diploma or equivalent, entry-level experience
Work EnvironmentCollaborative teams, project management, quality assuranceIndividual tasks, data labeling, basic quality checks
Industry UsageTech, AI, machine learning companiesAI startups, data labeling firms, research projects

The Senior Data Annotation Analyst typically has more experience, handles complex annotation projects, and oversees quality control, whereas the Data Annotation Specialist focuses on basic labeling tasks. Both roles are essential in AI data preparation, but the senior analyst often leads projects and ensures standards are met.

Does data annotation actually pay well?

Data annotation analysts typically earn hourly wages that are close to minimum wage or slightly above, with pay varying based on experience, location, and the complexity of tasks. While some roles offer higher pay for specialized skills or certifications, overall compensation is generally modest compared to other tech roles.

Is data annotation still hiring?

Data annotation roles, including senior positions, are actively hiring as companies expand their AI and machine learning projects. These jobs often require attention to detail and familiarity with annotation tools, and they are available in both remote and on-site formats. Demand remains steady due to ongoing growth in AI data needs.

What does a senior data annotation analyst do?

A senior data annotation analyst is responsible for reviewing, labeling, and validating data to ensure accuracy for machine learning models. They often use annotation tools and may oversee junior team members, ensuring data quality and consistency in projects involving image, text, or video data.

What cities near Elmhurst, IL are hiring for Senior Data Annotation Analyst jobs?

Cities near Elmhurst, IL with the most Senior Data Annotation Analyst job openings:

Senior Data Annotation Analyst jobs near you
Infographic showing various Senior Data Annotation Analyst job openings in Elmhurst, IL as of June 2026, with employment types broken down into 44% Full Time, 25% Part Time, 6% Temporary, 22% Contract, and 3% Nights. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $98,832 per year, or $47.5 per hour.

AI Data Science Expert - Remote

YO AI Labs

Chicago, IL • Remote

$100 - $200/hr

Part-time

Posted 6 days ago

Job description

Job Title: AI Data Science Domain Expert

Job Type: Contractor (Part-Time)
Location: Remote

Job Overview

We are seeking experienced AI Data Science Domain Experts to contribute their expertise to an innovative project focused on advancing next-generation AI systems. In this role, you will review, evaluate, and refine AI-generated technical and analytical content to improve model accuracy, reasoning, and overall performance. No prior AI experience is required—your data science expertise, analytical thinking, and communication skills are what matter most.

Key Responsibilities
  • Review, edit, and refine AI-generated content for accuracy, clarity, and technical relevance.
  • Develop, optimize, and evaluate prompts to improve AI model performance.
  • Conduct rubric-based assessments of AI outputs and provide structured feedback.
  • Perform independent research and fact-checking to validate technical information.
  • Annotate data and support quality assurance initiatives for AI training.
  • Interpret complex datasets and prepare clear technical reports and summaries.
  • Collaborate remotely with project teams to improve AI models and workflows.
Required Skills
  • Critical Thinking
  • Analytical Reasoning
  • Prompt Engineering
  • AI Output Evaluation
  • Quality Assurance
  • Technical Documentation
  • Technical & Report Writing
  • Content Review & Editing
  • Data Annotation
  • Data Interpretation
  • Fact Checking
  • Independent Research
  • Problem-Solving
  • Attention to Detail
Preferred Qualifications
  • 3+ years of experience in Data Science, Machine Learning, Applied AI, Statistics, Quantitative Analytics, or Data Analytics.
  • Experience producing or reviewing research papers, analytical reports, technical documentation, experiment summaries, or data-driven recommendations.
  • Strong analytical reasoning, critical thinking, and written communication skills.
  • Experience with data annotation, content review, or rubric-based evaluation is preferred.
  • Familiarity with prompt engineering, AI output evaluation, fact-checking, or RLHF is a plus.
  • Master's, MBA, PhD, or other advanced degree is preferred.